I don't believe I have. I know that the problems we had were a combination of the MILSPEC oil and over-oiling when we cleaned the weapons. Our small arms instructors had all taught us to leave a light coating of oil on the metal parts of the weapon to prevent rust in high humidity. This doesn't work well. The oil collected fine dust and the weapons wouldn't cycle.
We started going outside the supply channels for our weapons lube and made sure we ran dry patches through them after we cleaned them until there was no oil left.
Another problem that can cause what the Army experienced is if the weapon was packed in Cosmoline (sp?) and you don't get it all off. We once got a shipment of equipment that had been used in Vietnam and it was all packed in cosmoline. That stuff was terrible to get off. Everything had to be completely broken down and cleaned with strong solvents or steam-cleaned.